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Atomic Structure of Roentgenium and Hafnium

Roentgenium
Hafnium
Atomic Structure of Hafnium and Roentgenium


Atomic Properties
Atomic Number
111   
7
72   
99+
Electron Configuration
[Rn] 5f14 6d9 7s2   
[Xe] 4f14 5d2 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
111   
7
72   
99+
Number of Neutrons
161   
3
106   
29
Number of Electrons
111   
7
72   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
159.00 pm   
28
Covalent Radius
Not Available   
175.00 pm   
23
Van der Waals Radius
Not Available   
200.00 pm   
28
Atomic Weight
281.00 amu   
6
178.49 amu   
39
Atomic Volume
Not Available   
13.60 cm3/mol   
38
Adjacent Atomic Numbers
  
  
Previous Element
Darmstadtium
  
Lutetium
  
Next Element
Copernicium
  
Tantalum
  
Valence Electron Potential
Not Available   
81.00 (-eV)   
16
Lattice Constant
Not Available   
319.64 pm   
99+
Lattice Angles
NA   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
12
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